(a)[3]
State three other physical properties of iron.
(b(i))[2]
State the conditions required for iron to rust.
(b(ii))[1]
State whether iron(III) oxide is acidic or basic. Give a reason for your answer.
(b(iii))[1]
Complete this sentence about methods used to prevent rusting. Rusting can be prevented by painting or .................
(c)[2]
Put these metals in order of reactivity. Place the most reactive metal at the top.
(d)[2]
Complete the word equation for the reaction between calcium carbonate and nitric acid. calcium carbonate + nitric acid → [BLANK] + water + [BLANK]